Answer:
Slope: -1/2
y-intercept: 7
Step-by-step explanation:
The slope is the interger/number in front of x in a linear equation.
y-intercept is the constant after the slope, 7, which is the value of y when x is 0.
Answer: Daniel has $22 in his savings account balance.
Step-by-step explanation:
Let Daniel's savings account balance be x
and Henry's savings account balance be y, then as given Daniel's savings account balnce is 20 times that of Henry's, We get
...........(1)
And also total amount of both savings account is $462 so we get
......(2)
Now by substituting values of x from (1) into (2) we get,

And 
So, Daniel's savings account balance is $440
and Henry's savings account balance is $22
If everything else is equal - interest rates and fees and such, the person that starts with the most money will end with the most money.